Helianthemum Mutabile Seeds produce Rock Rose, a low-growing perennial valued for its spreading habit and seasonal blooms that shift in color as they mature. This compact plant forms a dense mat of gray-green foliage with small, rose-like flowers that open in shades of pink and gradually deepen in tone. It is well suited to rock gardens, borders, and dry landscape areas. Rock Rose performs reliably in sunny locations with well-drained soil and adapts to dry, sandy, or rocky conditions. Once established, it tolerates periods of reduced watering and is suitable for groundcover use in temperate climates.
Features
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Low-growing, spreading perennial growth habit
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Suitable for rock gardens and border plantings
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Adapted to dry, sandy, or rocky soils
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Produces seasonal color-changing blooms
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Performs well in full sun conditions
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Tolerates moderate drought once established
Specifications
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Scientific name: Helianthemum mutabile
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Common name (US): Rock Rose
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Seed type / variety: Color changing flower variety
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Growth habit: Low-growing, spreading perennial
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USDA zones: 5 to 8
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Planting season: Spring
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Growing season: Spring through summer
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Sowing Season: Early spring
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Sowing season months: March to May
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Germination time and conditions: 14 to 28 days at 65 to 75 F in well-drained soil
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Sunlight requirements: Full sun
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Soil requirements: Well-drained sandy or rocky soil
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Watering needs: Low to moderate; avoid overwatering
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Mature plant size: 8 to 12 inches tall; 12 to 24 inches spread
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Plant spacing: 12 to 18 inches apart